package socket;

import java.io.*;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.Scanner;

public class Client4 {
    private Socket socket;

    public Client4() {
        try {
            System.out.println("正在连接服务器...");
            socket = new Socket("176.61.4.208", 8088);//localhost表示本机IP
            System.out.println("与服务器建立连接成功！");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public void start() {
        try {
            //v4:启动用于接收服务端消息的线程
            ServerHandler handler=new ServerHandler();
            Thread t=new Thread(handler);
            t.start();

            OutputStream out = socket.getOutputStream();
            OutputStreamWriter osw = new OutputStreamWriter(out, StandardCharsets.UTF_8);
            BufferedWriter bw = new BufferedWriter(osw);
            PrintWriter pw = new PrintWriter(bw, true);//自动行刷新



            Scanner scan=new Scanner(System.in);
            while (true){
                System.out.println("请输入内容,输入exit时退出");
                String line=scan.nextLine();
                if ("exit".equals(line)){
                    break;
                }
                pw.println(line);

            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                socket.close();//与服务端断开连接
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
    }

    public static void main(String[] args) {
        Client4 client = new Client4();
        client.start();
    }
    private class ServerHandler implements Runnable{
        public void run(){
            //V4:通过socket获取输入流读取来自服务端发送过来的信息
            try {
                InputStream in=socket.getInputStream();
                InputStreamReader isr=new InputStreamReader(in,StandardCharsets.UTF_8);
                BufferedReader br=new BufferedReader(isr);

                //V4:读取来自服务端发送过来的消息
                String line;
                while ((line= br.readLine())!=null){
                    System.out.println(line);
                }
            } catch (IOException e) {
                //e.printStackTrace();
                System.out.println("退出聊天室");
            }

        }
    }
}



